They are prokariyotic cells.Also erithrocytes and seive tube elements do not have.
Red blood cells do not have nuclei or mitochondria.
Mitochondria???
Yes, Mitochondria are organelles inside of Cells, which contain Nuclei.
prokaryotes
all cells have a nuclei
Nucleus Mitochondria
They don't have organelles such as nuclei, mitochondria or chloroplasts.
Nuclei and mitochondria have a membrane surrounding them. They are both organelles in the cell.
cells which keep on changing their shape are called pleomorphic cells
It is an organelle called the mitochondria
Eukaryotes
Eukaryotes